Clarifying sentry login

Author: codyde

docs/organization/integrations/deployment/vercel/index.mdx

@@ -99,6 +99,8 @@ Subscription settings can only be modified within Sentry. During setup, organiza
 
 Vercel users will have single sign-on access to Sentry using the "Open in Sentry" button within Vercel, and will be able to create new projects in either Vercel or Sentry. 
 
+Users will still be able to login to their Sentry organization directly, without using the Vercel single-sign on, by using the login they configured during the setup process. For non social based login (Google, Github, etc.) users, Sentry will prompt for password creation.
+
 ### Automatically Configured Environment Variables
 
 For every project configured, the following environment variables will be set within the Vercel deployment: